diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0054-of-only-scan-for-reserved-mem-when-fdt-present.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0054-of-only-scan-for-reserved-mem-when-fdt-present.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches/0054-of-only-scan-for-reserved-mem-when-fdt-present.patch b/target/linux/ipq806x/patches/0054-of-only-scan-for-reserved-mem-when-fdt-present.patch new file mode 100644 index 0000000000..a5423d8446 --- /dev/null +++ b/target/linux/ipq806x/patches/0054-of-only-scan-for-reserved-mem-when-fdt-present.patch @@ -0,0 +1,35 @@ +From 884ab569aec3a0847702dff0dad133bfb67e234c Mon Sep 17 00:00:00 2001 +From: Josh Cartwright <joshc@codeaurora.org> +Date: Thu, 13 Mar 2014 16:36:36 -0500 +Subject: [PATCH 054/182] of: only scan for reserved mem when fdt present + +When the reserved memory patches hit -next, several legacy (non-DT) boot +failures were detected and bisected down to that commit. There needs to +be some sanity checking whether a DT is even present before parsing the +reserved ranges. + +Reported-by: Kevin Hilman <khilman@linaro.org> +Signed-off-by: Josh Cartwright <joshc@codeaurora.org> +Tested-by: Kevin Hilman <khilman@linaro.org> +Signed-off-by: Grant Likely <grant.likely@linaro.org> +--- + drivers/of/fdt.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c +index 510c0d8..501bc83 100644 +--- a/drivers/of/fdt.c ++++ b/drivers/of/fdt.c +@@ -557,6 +557,9 @@ static int __init __fdt_scan_reserved_mem(unsigned long node, const char *uname, + */ + void __init early_init_fdt_scan_reserved_mem(void) + { ++ if (!initial_boot_params) ++ return; ++ + of_scan_flat_dt(__fdt_scan_reserved_mem, NULL); + fdt_init_reserved_mem(); + } +-- +1.7.10.4 + |